United World Telecom's callback service enables you to access the lowest international rates by dialing a US-based telephone number, letting the phone ring once and then hanging up. You will then receive a callback from United World Telecom's switch that allows  you to dial your destination telephone number. The call is then routed over United World Telecom's extensive global network. This service can be used used on any mobile (cellular) phone. Our mobile rates are amongst the lowest you will find anywhere and to sign up online for service is simple and gives you access to the service within 24-48hrs.

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Callback for mobile phones is easy as A B C 

Here is how it works:

You will be assigned a personal U.S access number to our switch i the U.S which you then call each time to activate the callback service. To call this phone number is completely free of charge, as it is not an answered call. From your mobile phone, you dial a U.S. access number (DID) linked to the mobile phone number you are calling from. You must dial the normal international prefix (which varies from country to country) before dialing the DID. 
Example from Sweden: 00-1-515-6875078

A) When you call your personal U.S access number (DID) you will hear ringing signals. 
      After one ring, hang up (end the call).
B) These signals activate United World Telecom switch computer in the U.S. which recognizes the number 
     and calls you back to the mobile phone immediately.
C) When you answer the call to your mobile phone, you will hear the Global Access dial tone and
      you can then call anywhere within your country, to other mobile phones, or international 
      numbers with our low 24hrs a day rates. You always begin with the country code for the 
      number you wish to call, even if it is within the same country you are in. Example, For calls 
      to the U.S., Canada, and the Caribbean, dial 1+area code+number. For calls to other 
      countries, dial country code+area code +number. For example to call Affinity Telecoms 
      Swedish office it would be: 46-8581-74002.

To simplify to calling procedure you can easily program your U.S access number (DID) on your phones memory/speed dial function.

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Callback Mobile Summary Points

Callback works from any mobile cellular phone (GSM/NMT etc) in any country  where incoming 
    calls to mobile phones are free. (Most countries in the world, except the US & Canada)

Callback Mobile is available to businesses, residents and temporary visitors of any country.

Once a month, you will be sent an invoice with complete call detail of all the calls you have
   made through this add-on service. Many PTTs do not have this feature.

5-digit account codes are available at no extra charge. 

All rates are in US dollars. Actual billing time is 30/06. You will be billed for the first 30 
   seconds and then in increments of 6 seconds. All countries global access callback rates 
   are flat rated 24 hours a day. 

No charge for unanswered or busy signal calls.

In certain countries you will save on domestic calls as well, especially calling mobile to mobile 
   or mobile to regular telephones.

You may cancel your service at any time - no questions asked, if not satisfied !

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Q Are there any monthly fees or minimums ?.
A: No, there are no monthly charges, sign-up fees or minimum required.

Q:How soon will my account be activated after I send in the application ?
A: Usually it only takes 24 hrs. After submitting your application online, you will receive a welcome e-mail which includes your U.S telephone Access Number(DID). In most cases, your account will be approved and activated online while you wait.

Q: I have been activated and I've received the Callback access number to call in the US, called a DID, how do I use the system to make calls?
A:
Step 1.
Dial your assigned access number(DID) taking into account that the access number (DID) is located in the USA, so you have to dial as if calling the USA from your country

Example: if your DID is 1-515-687-0400, then you should dial: 00-1-515-687-0400
(If 00 is the code that you dial for international calls)

Step 2.
Once you have dialed your DID, let it ring only ONCE and then hang up. You don't pay for this call.

Step 3.
After a few seconds you will receive a call to the return destination number you indicated in your application from Affinity Telecom opening a line for you to call, and you will hear a constant tone
that indicates that you may dial the number you wish to call.

Step 4.
Then you dial the desired destination by following these guidelines: If you call internationally you should dial Country code +city code + number e.g. if you are calling Paris you should dial:
33+ 1+ xxx-xxxx. If you are calling to the USA, then you should dial 1 + area code + number, e.g. if you are calling  Affinity Telecom USA, you should dial:  1 + 909 + 795 + 3195
 

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Q:Can I make more than one call without dialing the access number (DID) again ?
A: Yes, If you want to make another call, then press the ## button twice and when you hear the  tone you can dial again as indicated. When you are finished just hang up.

Q:Do I need special equipment to use Callback services?
A: No. You just dial the access number ( DID) from the touchtone phone you designated in your application.. From that point on, all calls are automated.

Q: Do calling rates differ depending on the time of day?
A:No. Callback has the same low rates 24 hours a day, seven day a week.
Rates are based in US dollars per minute.

Q: How can I change my Callback number?
A: You can change the callback number by contacting our customer service. providing the following information: your customer number, your access number ( DID ) and the new return destination number (including the country and city codes).

Q:Do you charge for incomplete calls or calls that receive busy signals?
A: No. United World Telecom charges for completed calls only. There is no charge if the destination number is busy or there is no answer.

Q: Can I raise/increase my credit limit?
A: Yes. After establishing a good faith credit history, you may e-mail us your request for additional credit by contacting customer service and specifying your customer number, your access number, your old credit limit and your new credit limit.

Q: Are there additional monthly fees or extra charges for the ReturnCall service?
A:No. We bill for usage only, there are no fees, minimum or extra charges.

Q: How are my calls paid for?
A: Usage is charged every four weeks to the credit card submitted at the time of activation. We accept MasterCard/Eurocard, VISA, Discover and American Express.

Q: Am I charged for the calls to my U.S access number DID ?
A: No, since the call is not answered, it is not charged.

Q:Is my rate based on full minutes
A: No, Actual billing time is 30/06. You will be billed for the first 30 seconds and then in increments of 6 seconds. In most countries rates are flat rated 24 hours a day. Complete call detail with every invoice. but only for completed calls. There are no charges for incomplete calls or calls that are busy. In addition there are no monthly charges or minimums.

Q:How can I get a specific rate?
A: Visit the rate calculator specifying the country of origin and destination of your calls.

Q:Do I have to change my existing long distance carrier to use the Callback service
A: No, the use of Callback does not affect your existing carriers in any way.

Q:Can I use Callback  with other phones then my mobile (cellular) phone?
A: Yes, it might even save you money because it is an incoming call and in many countries you don’t have to pay for the incoming call.

Q:How many access numbers (DIDs) can I request?
A: As many as you need for the mobile phone numbers that you have. For example for your work mobile, your personal mobile phone and your childrens mobile phones can all be put on one single 
account or you can have them all separetly if requested. Note: In a few countries additional access numbers requested will have a monthly minimum usage limit of 15 US$. However the first mobile phone line is always without any monthly minimun usage requirements. 

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